MCQOPTIONS
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| 1. |
The back e.m.f. in a d.c. motor is maximum, when |
| A. | the motor has picked up max speed |
| B. | the motor has just started moving |
| C. | the speed of motor is still on the increase |
| D. | the motor has just been switched off |
| Answer» B. the motor has just started moving | |